using System;
using System.Drawing;
using System.Windows.Forms;

class Program
{
   public const int MOUSEEVENTF_LEFTDOWN = 0x02;
   public const int MOUSEEVENTF_LEFTUP = 0x04;
   public const int MOUSEEVENTF_RIGHTDOWN = 0x08;
   public const int MOUSEEVENTF_RIGHTUP = 0x10;
   [System.Runtime.InteropServices.DllImport("user32.dll")]
   public static extern void mouse_event(int dwFlags, int dx, int dy, int cButtons, int dwExtraInfo);
   public static void Main()
   {
      PauseForMilliSeconds(100);
      mouse_event(MOUSEEVENTF_LEFTDOWN, Cursor.Position.X, Cursor.Position.Y, 0, 0);
      PauseForMilliSeconds(200);
      Cursor.Position = new Point(Cursor.Position.X, Cursor.Position.Y+50);
      PauseForMilliSeconds(250);
      Cursor.Position = new Point(Cursor.Position.X, Cursor.Position.Y-55);
      mouse_event(MOUSEEVENTF_LEFTUP, Cursor.Position.X, Cursor.Position.Y, 0, 0);
      Cursor.Position = new Point(Cursor.Position.X, Cursor.Position.Y+5);
   }
   public static DateTime PauseForMilliSeconds(int MilliSecondsToPauseFor)
   {
      System.DateTime ThisMoment = System.DateTime.Now;
      System.TimeSpan duration = new System.TimeSpan(0, 0, 0, 0, MilliSecondsToPauseFor);
      System.DateTime AfterWards = ThisMoment.Add(duration);
      while ( AfterWards >= ThisMoment )
      {
            System.Windows.Forms.Application.DoEvents();
            ThisMoment = System.DateTime.Now;
      }
      return System.DateTime.Now;
   }
}